Tonight’s Part 1 debut airs at 8:30 p.m. ET (5:30 p.m. PT). Replays air throughout the week on FOX Sports 2, as well as FOX Sports Net regional cable networks.

UFC 166 takes place Oct. 19 at Toyota Center in Houston. The main card airs on pay-per-view following prelims on FOX Sports 1 and Facebook.

The final two episodes of the three-part series debut next week (Oct. 9) and the week of the fight (Oct. 16).

The UFC most recently aired a “Primetime” special for February’s UFC 157 event, which saw UFC women’s bantamweight champion Ronda Rousey submit Liz Carmouche with a first-round armbar. It marked the first women’s fight (and headliner) in UFC history.

The Latest

In this week’s Trading Shots, Danny Downes and Ben Fowlkes look at Ronda Rousey’s 34-second victory over Bethe Correia at UFC 190 and try to put it into terms that capture the moment without getting swept away by it.

A total of 26 fighters got their chance to shine on Saturday as part of UFC 190 at Rio de Janeiro’s HSBC Arena. Now that UFC 190 is in the books, it’s time to commence MMAjunkie’s “Three Stars” ceremony.

The man known for cranking submissions to the point of injury added eye-gouging to his repertoire. But is the controversy of Rousimar Palhares too essential to his bizarre, awful appeal for his employers to take any meaningful action against him?